130133311981 has 2 divisors, whose sum is σ = 130133311982. Its totient is φ = 130133311980.

The previous prime is 130133311967. The next prime is 130133311993. The reversal of 130133311981 is 189113331031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121498256356 + 8635055625 = 348566^2 + 92925^2 .

It is a cyclic number.

It is not a de Polignac number, because 130133311981 - 2⁷ = 130133311853 is a prime.

It is a super-2 number, since 2×130133311981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130133311961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65066655990 + 65066655991.

It is an arithmetic number, because the mean of its divisors is an integer number (65066655991).

Almost surely, 2^130133311981 is an apocalyptic number.

It is an amenable number.

130133311981 is a deficient number, since it is larger than the sum of its proper divisors (1).

130133311981 is an equidigital number, since it uses as much as digits as its factorization.

130133311981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 130133311981 in words is "one hundred thirty billion, one hundred thirty-three million, three hundred eleven thousand, nine hundred eighty-one".